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All Journal International Journal of Applied Power Engineering (IJAPE) Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal IPTEK JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) JURNAL ILMIAH PETERNAKAN TERPADU JEECAE (Journal of Electrical, Electronics, Control, and Automotive Engineering) J-ADIMAS (Jurnal Pengabdian kepada Masyarakat) Jurnal Energi dan Teknologi Manufaktur JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat Jurnal Layanan Masyarakat (Journal of Public Service) Jurnal Geuthee International Journal of Science, Engineering and Information Technology JAREE (Journal on Advanced Research in Electrical Engineering) Jurnal Abdi Masyarakat Indonesia Jurnal Fortech SinarFe7 NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Electron: Jurnal Ilmiah Teknik Elektro Jurnal Pengabdian Masyarakat Nusantara Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Journal of Railway Transportation and Technology Jurnal Pelayanan dan Pengabdian Masyarakat Indonesia Politeknosain Journal Geuthee of Engineering and Energy International Journal of Multidisciplinary Approach Research and Science Faedah: Jurnal Hasil Kegiatan Pengabdian Masyarakat Indonesia International Journal of Electrical Engineering, Mathematics and Computer Science Jurnal FORTECH KREATIF: Jurnal Pengabdian Masyarakat Nusantara Jurnal Pengabdian Masyarakat Indonesia Nucleus Journal
Yuli Prasetyo
Jurusan Teknik, Politeknik Negeri Madiun, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Implementation of CC-CV Battery Charging Method with Temperature Control for Level Crossings Yuli Prasetyo; Santi Triwijaya; Andri Pradipta; Akhwan; Aggie Brenda Vernandez; Akhsay Chandra Dewanta
Journal of Railway Transportation and Technology Vol. 5 No. 1 (2026): March
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jrtt.v5i1.80

Abstract

Level crossings are critical for ensuring the safety of long-distance railway operations. To maintain the reliability of these at-grade crossings, their power supply systems are equipped with lead-acid batteries. This study focuses on the battery charging system. A known effect of battery charging is temperature rise due to charge current flow. The Constant Current-Constant Voltage (CC-CV) method is proposed in this research to address the issue of prolonged charging time while monitoring temperature to preserve battery health. Battery charging tests were conducted by comparing the CC-CV and Switch Mode Power Supply (SMPS) methods, starting from the minimum battery voltage (11.7 V) until the voltage set point was reached. The results show that the SMPS method required 5 hours with an average charging temperature of 34.0°C. In contrast, the CC-CV method required only 2.1 hours with an average temperature of 35.4°C. Therefore, the CC-CV method can significantly accelerate the charging time while ensuring the temperature remains within the specified maximum limit. This shorter charging duration is expected to enhance the reliability and prevent service disruptions at level crossings.
SISTEM CHARGING 110 VDC SEBAGAI SUPPLY CONTROL CIRCUIT VOLTAGE KUBIKEL 20 KV Dimas Nur Prakoso; Yuli Prasetyo; Basuki Winarno; Budi Triyono; Santi Triwijaya
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 6 No 2: Jurnal Electron, November 2025
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v6i2.322

Abstract

The 110VDC supply at the substation serves as a supply for the control and protection system at the cubicle panel. In addition, the 110VDC battery used as a backup supply plays an important role when the main supply source is lost. Loss of supply 110VDC is fatal to the electrical system. Causes electrical interference cannot be monitored and protection failure. 110VDC batteries may experience voltage drops. There are several ways to keep the battery in good condition when used, one of them with a charging system which functions to maintain the condition battery. This system uses a Buck converter circuit with charging pulses through the duty cycle can distribute high electric current to battery. With a Buck converter output voltage of 111 Volt 6.54 A at duty cycle 55% using dummy load. Test results with a voltage of 110VDC and a current of 5A in testing with dummy load of 10Ω480W obtained voltage output of 103VDC and current of 8.40A, in testing with dummy load of 10Ω400W received voltage output of 136VDC and current of 6.28A, in testing with dummy load of 12Ω500W received voltage output of 122VDC and current of 6.00 A, in testing with dummy load of 15Ω500W received voltage output of 127VDC and current of 5.88 A, in testing with dummy load of 11Ω500W received voltage output of 111VDC and current of 6.54A. From the overall test data by providing a load in the form of a dummy load, an average error of 9.86% was obtained.
Perancangan dan Pengujian PLTS Off-Grid Portabel Berbasis IoT untuk Aplikasi Darurat Infrastruktur Transportasi Budi Triyono; Dimas Nur Prakoso; Yuli Prasetyo; Basuki Winarno; Ryan Wicaksono; Santi Triwijaya; Satrio Nugroho
Nucleus Journal Vol. 5 No. 1 (2026): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v5i1.5109

Abstract

Ketersediaan catu daya yang andal pada infrastruktur transportasi sangat penting untuk menjaga keselamatan, ketertiban, dan kontinambungan layanan, khususnya pada kondisi darurat ketika pasokan listrik dari jaringan terganggu. Penelitian ini bertujuan merancang dan menguji sistem Pembangkit Listrik Tenaga Surya (PLTS) off-grid portabel berbasis Internet of Things (IoT) sebagai sumber daya darurat untuk infrastruktur transportasi berkelanjutan. Metode penelitian menggunakan pendekatan rekayasa sistem yang meliputi studi literatur, perancangan perangkat keras, integrasi sistem monitoring IoT, perakitan prototipe, serta pengujian laboratorium dan lapangan. Sistem yang dikembangkan terdiri atas tiga panel surya dengan total kapasitas 300 Wp, baterai lithium 12 V 100 Ah, solar charge controller PWM 20 A, inverter 1000 W, serta dashboard monitoring berbasis Ubidots. Hasil pengujian menunjukkan bahwa tegangan keluaran panel surya berada pada rentang 19,5–20,5 V dengan daya tertinggi mencapai 89,3 W pada pukul 11.00. Tegangan keluaran solar charge controller relatif stabil pada rentang 13,37–13,43 Vdc selama proses pengisian. Pada pengujian baterai saat pelepasan beban, tegangan menurun dari 13,46 Vdc menjadi 13,37 Vdc, diikuti penurunan tegangan AC inverter dari 205 Vac menjadi 198 Vac. Sistem IoT berhasil menampilkan parameter kelistrikan secara real-time, meliputi tegangan, arus, daya, status charging-discharging, dan state of charge baterai. Hasil penelitian menunjukkan bahwa sistem yang dikembangkan layak digunakan sebagai solusi catu daya darurat yang portabel, efisien, dan mudah dipantau
Setting Relay Diferensial Siemens 7UT5121 pada Transformator dengan ETAP untuk Meningkatkan Sistem Proteksi Dimas Nur Prakoso; Yuli Prasetyo; Budi Triyono; Basuki Winarno
Jurnal FORTECH Vol. 7 No. 1 (2026): In Progress
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56795/fortech.v7i1.7102

Abstract

The development of the electric power system is quite rapid in Indonesia, where the development of the electric power system will not experience a decline and will continue to increase. To distribute electrical energy to consumers, transformers are the main component in the electrical system. During its operation, transformers often experience faults, making reliable protection and security systems necessary to maintain the smooth operation of the system. Protection systems are designed to interrupt faulty currents and protect equipment from damage caused by these currents. One of the primary protection devices for transformers is the differential relay, which operates quickly without requiring coordination with other relays. Differential relays work based on the vector difference between two or more electrical quantities exceeding a predetermined threshold. In this study, a Siemens 7UT5121 protection relay was used. To facilitate testing and fault analysis in the settings of this protection relay, simulations were conducted using ETAP software. The protection relay settings were configured to safeguard the transformer if there was a current difference between the CT on the primary and secondary sides within the protection zone. Based on calculations, the CT ratio for nominal current (I₁) was found to be 230.94 A, and the nominal current (I₂) was 1905.25 A. The CT secondary currents were calculated as 0.769 A for I₁ and 0.866 A for I₂. In the differential relay, the differential current was recorded at 0.097 A, while the restrain current was 0.817 A. The slope percentage analysis yielded values of 11.18% for slope 1 and 23.74% for slope 2. The differential current setting value obtained was 0.379 A. The relay will not operate if a fault occurs outside the protection zone, ensuring the reliability of the transformer protection system
Setting Relay Diferensial Siemens 7UT5121 pada Transformator dengan ETAP untuk Meningkatkan Sistem Proteksi Dimas Nur Prakoso; Yuli Prasetyo; Budi Triyono; Basuki Winarno
Jurnal FORTECH Vol. 7 No. 1 (2026): In Progress
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56795/fortech.v7i1.7102

Abstract

The development of the electric power system is quite rapid in Indonesia, where the development of the electric power system will not experience a decline and will continue to increase. To distribute electrical energy to consumers, transformers are the main component in the electrical system. During its operation, transformers often experience faults, making reliable protection and security systems necessary to maintain the smooth operation of the system. Protection systems are designed to interrupt faulty currents and protect equipment from damage caused by these currents. One of the primary protection devices for transformers is the differential relay, which operates quickly without requiring coordination with other relays. Differential relays work based on the vector difference between two or more electrical quantities exceeding a predetermined threshold. In this study, a Siemens 7UT5121 protection relay was used. To facilitate testing and fault analysis in the settings of this protection relay, simulations were conducted using ETAP software. The protection relay settings were configured to safeguard the transformer if there was a current difference between the CT on the primary and secondary sides within the protection zone. Based on calculations, the CT ratio for nominal current (I₁) was found to be 230.94 A, and the nominal current (I₂) was 1905.25 A. The CT secondary currents were calculated as 0.769 A for I₁ and 0.866 A for I₂. In the differential relay, the differential current was recorded at 0.097 A, while the restrain current was 0.817 A. The slope percentage analysis yielded values of 11.18% for slope 1 and 23.74% for slope 2. The differential current setting value obtained was 0.379 A. The relay will not operate if a fault occurs outside the protection zone, ensuring the reliability of the transformer protection system
Implementasi Inovasi IPTEKS pada Pengrajin Kulit Magetan: Mesin Jahit Industri dan Pemasaran Digital Multibahasa Berbasis Pariwisata Berkelanjutan Muhammad Syaeful Fajar; Achmad Aminudin; Yuli Prasetyo; Surya Adi Paramadiwa; Ahmad Rifky Kholil; Muaz Muhamad Hafidz
Faedah: Jurnal Hasil Kegiatan Pengabdian Masyarakat Indonesia Vol. 4 No. 3 (2026): Agustus: Jurnal Hasil Kegiatan Pengabdian Masyarakat Indonesia
Publisher : FKIP, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59024/faedah.v4i3.1996

Abstract

The leather craft centre of Magetan Regency supplies souvenirs for the Sarangan Lake tourism area, yet most craftsmen still work with simple technology and word-of-mouth marketing. Akasia Industry, a leather belt craftsmen group in Ringinagung Village with fifteen members and eight production craftsmen, faced three priority problems: stitching that relied on household sewing machines, unstructured bookkeeping, and marketing that had not reached national and international buyers. This community service programme aimed to increase the production capacity and to widen the market reach of the partner through science and technology innovation. A participatory approach was applied in six stages: preparation, socialisation, training, technology implementation, mentoring and evaluation, and sustainability planning. The interventions covered the procurement of and training on an industrial leather sewing machine, the preparation of production standard operating procedures and quality control, mentoring on bookkeeping and cost of goods manufactured, and the development of the multilingual website akasiaindustry.com integrated with social media and marketplaces. Workshop output rose from three to five units into an average of thirty-five units per day, while the defect rate fell from 15-20 per cent to below 5 per cent. The partner now owns a fully operating industrial sewing machine, standard operating procedure documents, a simple bookkeeping system, a brand identity, and five active digital transaction channels reaching 5,761 followers on Instagram and TikTok, with the highest production content reaching 93.2 thousand views. Combining production technology with marketing digitalisation effectively strengthens the competitiveness of leather craftsmen within a sustainable tourism ecosystem.
Implementasi Penerangan Jalan Umum Tenaga Surya pada Jalan Usaha Tani di Desa Dadapan, Kabupaten Ngawi Budi Triyono; Prasetyo, Yuli; Basuki Winarno; Dimas Nur Prakoso; Hanifah Nur Kumala Ningrum; Raden Jasa Kusumo Haryo; Satrio Nugroho
Jurnal Pelayanan dan Pengabdian Masyarakat Indonesia Vol. 5 No. 3 (2026): September : Jurnal Pelayanan dan Pengabdian Masyarakat Indonesia
Publisher : Sekolah Tinggi Ilmu Administrasi Yappi Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jppmi.v5i3.2945

Abstract

Dadapan Village, specifically Ngrancang Hamlet, is an agricultural area where most farm access roads lack adequate public street lighting. This condition hinders farmers' activities during the night and early morning such as irrigation, fertilization, and crop distribution and poses safety risks. This community service initiative aims to transfer solar-powered street lighting technology to the Ngudi Rahayu Farmer Group to enhance road safety and foster village energy self-sufficiency. The implementation process comprises five stages socialization, training, technology deployment, mentoring and evaluation, and program sustainability carried out collaboratively by lecturers, students, and farmer group members. The technology deployed involves installing two solar-powered street lighting units integrating monocrystalline solar panels, lithium batteries, LED lights, and automatic light sensors along a 300-meter stretch of farm access road. The results indicate that both units are successfully installed and fully functional, automatically illuminating for 10–12 hours without reliance on the national grid (PLN). The installation of these lights enhances safety and convenience for farmers, facilitates crop distribution, and improves the partners' understanding of renewable energy solutions that are self-sufficient, cost-effective, and environmentally friendly.
Penerapan Teknologi Tepat Guna Mesin Penyisir dan Perapih Serat untuk Meningkatkan Efisiensi dan Produktivitas UMKM Home Industri Sapu Kipas di Desa Jabalsari, Kabupaten Tulungagung Budi Artono; Nanang Romandoni; Yuli Prasetyo; Arrizal Dwi Ramadhani; Mochammad Najib Fathu Sobari; Surya Akbar Pratama
Jurnal Pengabdian Masyarakat Nusantara Vol. 8 No. 3 (2026): September: Jurnal Pengabdian Masyarakat Nusantara
Publisher : Universitas Muhammadiyah Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57214/pengabmas.v8i3.1261

Abstract

The fan broom home industry in Jabalsari Village, Sumbergempol District, Tulungagung Regency, experiences production constraints in the fibre combing and straightening process, which is still conducted manually using simple and non-ergonomic tools. At Sapu Kipas Pak Slamet, a craftsmen group of fourteen members, this stage became the main production bottleneck due to long processing time, high physical workload, and inconsistent product quality. The lack of written work standards and production records also hindered performance evaluation. This community service programme aimed to improve production efficiency and productivity through the application of an appropriate-technology fibre combing and straightening machine and basic production management improvement. A participatory needs-based approach was applied through socialisation, baseline mapping, technology implementation, operator training, mentoring, evaluation, and sustainability planning. The developed machine, equipped with a single-phase electric motor, spiked combing rollers, worm-gear reducer, belt-pulley transmission, bearings, electrical panel, and safety covers, was fabricated, tested, installed, and operated independently by the partner. The programme also delivered three standard operating procedures, one training module, and two production recording forms. Production improvements are being monitored through daily records due to the absence of previous baseline data.
Co-Authors Achmad Aminudin Ade Reza Ade Reza Febri Adittio Ramadhan Aditya PP Afifah Al Hayu Nugraheni Aggie Brenda Vernandez Agus Choirul Arifin Ahmad Afif Amrulloh Ahmad Rifky Kholil Akhsay Chandra Dewanta Akhwan Alfi Tranggono Agus Salim Amalia, Dwitya Solihati Andri Pradipta Anton, Muhammad Ardila Prihadyatama Arrizal Dwi Ramadhani Bachtera Indarto, Bachtera Basuki Winarno Basuki Winarno Basuki Winarno Basuki Winarno Basuki Winarno, Basuki Bi Asngali Budi Artono Budi Artono Budi Artono Budi Artono Budi Triyono Budi Triyono Budi Triyono Budi Triyono Dimas Fajar Uman Putra Dimas Nur Prakoso Dwi Lestariningtiyas Elmira, Bias Nur F, Yoga Ahdiat Faizalhaq, Zulfikar Fakhrudi, yoga ahdiat Farid majedi Firdaus, Aji Akbar Firillia Filliana Hanifah N. K. N. Hanifah N. Kumalaningrum Hanifah Nur Kumala Ningrum Hanifah Nur Kumala Ningrum Hanifah Nur Kumala Ningrum Haryo, Raden Jasa Kusumo Hendrik Kusbandono Hidayatullah, Nur Asyik Hilman Naufal Rafi Ikhwan Baidlowi Sumafta imam basuki Indah Puspitasari Jasa Kusumo Haryo, R. Jasa Kusumo Haryo, Raden K. H, R. Jasa K., R. Jasa Ketut Tirtayasa Khakim, Ainul Kharirroh, Luluk Kumala Mahda H Kumala Mahda H Kumala Mahda Habsari Kusbandono, Hendrik Kusumo H, R. Jasa Kusumo Haryo, R. Jasa Madi Hartono Mahda Habsari, Kumala Mahdi Syukri Mochammad Najib Fathu Sobari Muaz Muhamad Hafidz Muhamad Fajar Subkhan Muhammad Aji Pangestu Muhammad Anton Muhammad Hasan Basri Muhammad Nur Cahyanto Muhammad Ruston Habibi Muhammad Syaeful Fajar N., Hanifah N. K. NANANG ROMANDONI Narava Kansha P Narava Kansha Putra P Narava Kansha Putra Pratama Ningrum, Hanifah Nur Kumala Noorsakti Wahyudi Nugroho , Satrio Nur Asyik H. Nur Kumala Ningrum, Hanifah Nur, Dimas Prakoso, Sandy R. Jasa K. R. Jasa K. H R. Jasa Kusumo R. Jasa Kusumo Haryo R. Oktav Yama R. Oktav Yama H R., Aldanur I. Raden Jasa Kusumo Haryo Raden Jasa Kusumo Haryo Raden Jasa Kusumo Haryo Rahma, Isnani Mila Rakhmad Gusta Putra Ramadhan, Ade Nofa Renna Melinda Ryan Wicaksono Ryan Wicaksono Sandy Prakoso Santi Triwijaya Santi Triwijaya Santi Triwijaya Satrio Nugroho satrio nugroho Siswanto . Sulistiyanto Sulistiyanto, Sulistiyanto Sulistiyanto, Sulistiyanto Sulistyono Sulistyono Suluh Argo Pambudi, Suluh Argo Suprapto, Sena Sukmananda Surya Adi Paramadiwa Surya Akbar Pratama Teuku Multazam Titania Nur Cahyani Trisna Wati Trisna Wati Trisna Wati, Trisna Triwijaya, Santi Ubaidillah Ubaidillah Vicky Andria Kusuma Wahyu Pribadi Wangsa, Bhre Wicaksono, Ryan Wisnu Muchsin Yoga Ahdiat F